1. Click here:
http://einstein.byu.edu/~masong/HTMstuff/Radioactive2.html

external image decay.gif














(Courtesy of http://www.earth.northwestern.edu/people/seth/202/DECAY/decay.pennies.html)

2. Click here:
http://nuweb.neu.edu/bmaheswaran/phyu121/data/ch07/anim/anim0702.htm
(watch the animation and answer the following questions to furthur understanding)

3. Click here:
http://www.furryelephant.com/content/radioactivity/half-life-simulation/
(either read the slides on the main page or click the red animation button to watch the entire slideshow)

4. Click here:
http://www.m-manser-physics.co.uk/8%20Half%20Life%20Graphs.ppt#273,1,Slide
( this is a powerpoint presentation explaining half life and how it works.)